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TPS54040A Datasheet(PDF) 8 Page - Texas Instruments

Part # TPS54040A
Description  Step-Down DC-DC Converter
Download  53 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS54040A Datasheet(HTML) 8 Page - Texas Instruments

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background image
-3
-2.5
-2
-1.5
-1
-50
-25
0
25
50
75
100
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T -JunctionTemperature-°C
J
V =12V
I
-1
-0.95
-0.9
-0.85
-0.8
-50
-25
0
25
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125
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T -JunctionTemperature-°C
J
V =12V,
V
= Threshold-50mV
I
I(EN)
1.10
1.20
1.30
1.40
-50
-25
0
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50
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T -JunctionTemperature-°C
J
V =12V
I
-4.25
-4
-3.75
-3.5
-3.25
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-25
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T -JunctionTemperature-°C
J
V =12V,
V
= Threshold+50mV
I
I(EN)
50
70
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110
130
150
-50
-25
0
25
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75
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T -JunctionTemperature-°C
J
V =12V
I
10
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-25
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T -JunctionTemperature-°C
J
V =12V
I
TPS54040A
SLVSB58B – MARCH 2012 – REVISED JANUARY 2016
www.ti.com
Typical Characteristics (continued)
Figure 7. EA Transconductance During Slow Start vs
Figure 8. EA Transconductance vs Junction Temperature
Junction Temperature
Figure 9. EN Pin Voltage vs Junction Temperature
Figure 10. EN Pin Current vs Junction Temperature
Figure 11. EN Pin Current vs Junction Temperature
Figure 12. SS/TR Charge Current vs Junction Temperature
8
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